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Publication of FR900611ApublicationCriticalpatent/FR900611A/en
B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
B41J29/54—Locking devices applied to printing mechanisms
B41J29/58—Locking devices applied to printing mechanisms and automatically actuated
B41J29/68—Locking devices applied to printing mechanisms and automatically actuated by completion of a page or predetermined number of lines or exhaustion of paper to lock the keyboard
FR900611D1943-03-151943-12-15
Locking device for typewriter cylinder
ExpiredFR900611A
(en)